DALLAS – A 52-year-old man was arrested and charged with the murder of his 88-year-old aunt in Dallas, police said. According to the affidavit, Ketsanasak Nachampassak, 52, entered the room of his 88-year-old aunt, Vannakham Nachampassak, around 9 p.m. on Sunday, Dec. 29, inside their shared apartment in the 1900 block of Caddo St.